namespace Community.CsharpSqlite
{
  using sqlite_u3264 = System.UInt64;

  public partial class Sqlite3
  {
    /*
    ** 2008 May 27
    **
    ** The author disclaims copyright to this source code.  In place of
    ** a legal notice, here is a blessing:
    **
    **    May you do good and not evil.
    **    May you find forgiveness for yourself and forgive others.
    **    May you share freely, never taking more than you give.
    **
    ******************************************************************************
    **
    ** This file contains inline asm code for retrieving "high-performance"
    ** counters for x86 class CPUs.
    **
    ** $Id: hwtime.h,v 1.3 2008/08/01 14:33:15 shane Exp $
    **
    *************************************************************************
    **  Included in SQLite3 port to C#-SQLite;  2008 Noah B Hart
    **  C#-SQLite is an independent reimplementation of the SQLite software library
    **
    *************************************************************************
    */

    static sqlite_u3264 sqlite3Hwtime()
    {
      return (sqlite_u3264)System.DateTime.Now.Ticks;
    }

//    //#if !_HWTIME_H_
//    //#define _HWTIME_H_
//
//    /*
//    ** The following routine only works on pentium-class (or newer) processors.
//    ** It uses the RDTSC opcode to read the cycle count value out of the
//    ** processor and returns that value.  This can be used for high-res
//    ** profiling.
//    */
//#if ((__GNUC__) || (_MSC_VER)) &&       ((i386) || (__i386__) || (_M_IX86))
//
//#if (__GNUC__)
//
//__inline__ sqlite_u3264 sqlite3Hwtime(void){
//unsigned int lo, hi;
//__asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi));
//return (sqlite_u3264)hi << 32 | lo;
//}
//
//#elif  (_MSC_VER)
//
//__declspec(naked) __inline sqlite_u3264 __cdecl sqlite3Hwtime(void){
//__asm {
//rdtsc
//ret       ; return value at EDX:EAX
//}
//}
//
//#endif
//
//#elif ((__GNUC__) && (__x86_64__))
//
//__inline__ sqlite_u3264 sqlite3Hwtime(void){
//unsigned long val;
//__asm__ __volatile__ ("rdtsc" : "=A" (val));
//return val;
//}
//
//#elif ( (__GNUC__) &&  (__ppc__))
//
//__inline__ sqlite_u3264 sqlite3Hwtime(void){
//unsigned long long retval;
//unsigned long junk;
//__asm__ __volatile__ ("\n\
//1:      mftbu   %1\n\
//mftb    %L0\n\
//mftbu   %0\n\
//cmpw    %0,%1\n\
//bne     1b"
//: "=r" (retval), "=r" (junk));
//return retval;
//}
//
//#else
//
//    //#error Need implementation of sqlite3Hwtime() for your platform.
//
//    /*
//    ** To compile without implementing sqlite3Hwtime() for your platform,
//    ** you can remove the above #error and use the following
//    ** stub function.  You will lose timing support for many
//    ** of the debugging and testing utilities, but it should at
//    ** least compile and run.
//    */
//    static sqlite_u3264 sqlite3Hwtime()
//    { (sqlite_u3264)0 ); }
//
//#endif
//
//    //#endif //* !_HWTIME_H_) */
  }
}
